| Issue |
94141
|
| Summary |
[NewPM][CodeGen] Enable new pass manager codegen pipeline for BPF
|
| Labels |
backend:BPF,
llvm:codegen
|
| Assignees |
|
| Reporter |
paperchalice
|
We should enable a constrained `O0` pipeline to generate object file ASAP. Although how to build codegen pipeline is still controversial (#89708), we still can port the rest machine function passes to generate object file.
BPF might be the simplest target in non-experimental targets, this might be a good place to start, but tests in BPF check only asm code, this is bad for testing.
CC @aeubanks
---
TODO list:
- [ ] BPF `CodeGenPassBuilder` support
- [ ] BPF DAG->DAG Pattern Instruction Selection `bpf-isel`
- [ ] Finalize ISel and expand pseudo-instructions `finalize-isel`
- [ ] Local Stack Slot Allocation `local-stack-alloc`
- [ ] Register allocation
- [ ] Eliminate PHI nodes for register allocation `phi-node-elimination`
- [ ] Two-Address instruction pass `two-address-instruction`
- [ ] Fast Register Allocator `reg-alloc<fast>`
- [ ] Fixup Statepoint Caller Saved `fixup-statepoint-caller-saved`
- [ ] Prologue/Epilogue Insertion & Frame Finalization `prolog-epilog`
- [ ] Post-RA pseudo instruction expansion pass `post-ra-pseudos`
- [ ] BPF PreEmit Checking `bpf-mi-checking`
- [ ] Assembly Printer `asm-printer`
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